Depersonalization and some paranoia? Though it does seem a bit silly to try and guess based on such little information, especially since I am just a half crazed autie anyway.
Maybe just ask the guy. It seems like he's comfortable enough around you to let his guard down at least some.
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When God made me He didn't use a mold. I'm FREEHAND baby!
The road to my hell is paved with your good intentions.